Contents
Aboutthismanual...........iii
Chapter1.Safetyinformation......1
Generalsafety................1
Electricalsafety...............2
Safetyinspectionguide............3
Handlingdevicesthataresensitivetoelectrostatic
discharge..................3
Groundingrequirements............4
Safetynotices(multilingualtranslations)......4
Lasercompliancestatements(multilingual
translations)................17
Chapter2.Importantservice
information..............25
StrategyforreplacingFRUs.........25
Strategyforreplacingaharddiskdrive...26
Importantnoticeforreplacingasystem
board................26
Howtouseerrormessage........26
StrategyforreplacingFRUsforCTO,CMV,and
GAV...................26
Productdenition............26
FRUidenticationforCTO,CMV,andGAV
products...............27
Chapter3.Generalcheckout.....29
Whattodorst..............29
Checkoutguide..............30
LenovoSolutionCenter.........30
Quicktestprograms...........30
UEFIdiagnosticprogram.........31
Bootablediagnosticprograms.......31
Powersystemcheckout...........32
Checkingtheacpoweradapter......32
Checkingoperationalcharging......33
Checkingthebatterypack........33
Checkingthebackupbattery.......34
Chapter4.Relatedservice
information..............35
Restoringthefactorycontentsbyusingthe
productRecoveryDiscSet..........35
UsingtheWindowsrecoveryprogramsonthe
Windows8operatingsystem.........36
Passwords................38
Power-onpassword...........39
Harddiskpassword...........39
Supervisorpassword..........39
Howtoremovethepower-onpassword...39
Howtoremovetheharddiskpassword...40
Powermanagement............40
Screenblankmode(fortheWindows7
operatingsystemonly)..........40
Sleepmode..............40
Hibernationmode...........41
Symptom-to-FRUindex...........42
Numericerrorcodes..........42
Errormessages............44
Beepsymptoms............44
No-beepsymptoms...........44
LCD-relatedsymptoms.........44
Intermittentproblems..........45
Undeterminedproblems.........45
Chapter5.Statusindicators.....47
Chapter6.Fnkeycombinations...51
Chapter7.Locations.........53
Locatingcomputercontrols,connectors,and
indicators.................53
Frontview...............53
Rearview...............54
Bottomview..............54
LocatingFRUsandCRUs..........54
MajorFRUsandCRUs..........56
LCDFRUsandCRUs..........58
MiscellaneouskitsandotherFRUs.....59
LookingupFRUinformation.........61
Chapter8.FRUreplacement
notices................63
Screwnotices...............63
Retainingserialnumbers...........64
Restoringtheserialnumberofthesystem
unit.................64
RetainingtheUUID...........65
ReadingorwritingtheECAinformation...65
Chapter9.Removingorreplacinga
FRU..................67
Generalguidelines.............67
Beforeservicingthecomputer........68
1010Batterypack.............68
1020ExpressCardblankbezel........69
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